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Single-chain variable fragment

Index Single-chain variable fragment

A single-chain variable fragment (scFv) is not actually a fragment of an antibody, but instead is a fusion protein of the variable regions of the heavy (VH) and light chains (VL) of immunoglobulins, connected with a short linker peptide of ten to about 25 amino acids. [1]

35 relations: Amino acid, Antibody, Bi-specific T-cell engager, Bispecific monoclonal antibody, Breast cancer, Brolucizumab, C-terminus, Cardiac surgery, Chimeric antigen receptor, Complement component 5, Complement system, Dissociation constant, Escherichia coli, Flow cytometry, Fragment antigen-binding, Fragment crystallizable region, Fusion protein, Glycine, HER2/neu, Hybridoma technology, Immunoglobulin heavy chain, Immunoglobulin light chain, Immunohistochemistry, Ligand (biochemistry), Monoclonal antibody, N-terminus, Peptide, Pexelizumab, Phage display, Protein A, Protein G, Protein L, Serine, Subcloning, Threonine.

Amino acid

Amino acids are organic compounds containing amine (-NH2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each amino acid.

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Antibody

An antibody (Ab), also known as an immunoglobulin (Ig), is a large, Y-shaped protein produced mainly by plasma cells that is used by the immune system to neutralize pathogens such as pathogenic bacteria and viruses.

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Bi-specific T-cell engager

Bi-specific T-cell engagers (BiTEs) are a class of artificial bispecific monoclonal antibodies that are investigated for the use as anti-cancer drugs.

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Bispecific monoclonal antibody

A bispecific monoclonal antibody (BsMAb, BsAb) is an artificial protein that can simultaneously bind to two different types of antigen.

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Breast cancer

Breast cancer is cancer that develops from breast tissue.

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Brolucizumab

Brolucizumab (INN) is a humanized monoclonal antibody designed for the treatment of wet age-related macular degeneration.

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C-terminus

The C-terminus (also known as the carboxyl-terminus, carboxy-terminus, C-terminal tail, C-terminal end, or COOH-terminus) is the end of an amino acid chain (protein or polypeptide), terminated by a free carboxyl group (-COOH).

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Cardiac surgery

Cardiac surgery, or cardiovascular surgery, is surgery on the heart or great vessels performed by cardiac surgeons.

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Chimeric antigen receptor

Chimeric antigen receptors (CARs, also known as chimeric immunoreceptors, chimeric T cell receptors or artificial T cell receptors) are engineered receptors that combine a new specificity with an immune cell to target cancer cells.

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Complement component 5

Complement component 5 is a protein that in humans is encoded by the C5 gene.

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Complement system

The complement system is a part of the immune system that enhances (complements) the ability of antibodies and phagocytic cells to clear microbes and damaged cells from an organism, promotes inflammation, and attacks the pathogen's cell membrane.

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Dissociation constant

In chemistry, biochemistry, and pharmacology, a dissociation constant (K_d) is a specific type of equilibrium constant that measures the propensity of a larger object to separate (dissociate) reversibly into smaller components, as when a complex falls apart into its component molecules, or when a salt splits up into its component ions.

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Escherichia coli

Escherichia coli (also known as E. coli) is a Gram-negative, facultatively anaerobic, rod-shaped, coliform bacterium of the genus Escherichia that is commonly found in the lower intestine of warm-blooded organisms (endotherms).

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Flow cytometry

In biotechnology, flow cytometry is a laser- or impedance-based, biophysical technology employed in cell counting, cell sorting, biomarker detection and protein engineering, by suspending cells in a stream of fluid and passing them through an electronic detection apparatus.

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Fragment antigen-binding

The antigen-binding (Fab) fragment is a region on an antibody that binds to antigens.

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Fragment crystallizable region

The fragment crystallizable region (Fc region) is the tail region of an antibody that interacts with cell surface receptors called Fc receptors and some proteins of the complement system.

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Fusion protein

Fusion proteins or chimeric (\kī-ˈmir-ik) proteins (literally, made of parts from different sources) are proteins created through the joining of two or more genes that originally coded for separate proteins.

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Glycine

Glycine (symbol Gly or G) is the amino acid that has a single hydrogen atom as its side chain.

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HER2/neu

Receptor tyrosine-protein kinase erbB-2, also known as CD340 (cluster of differentiation 340), proto-oncogene Neu, Erbb2 (rodent), or ERBB2 (human), is a protein that in humans is encoded by the ERBB2 gene.

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Hybridoma technology

Hybridoma technology is a method for producing large numbers of identical antibodies (also called monoclonal antibodies).

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Immunoglobulin heavy chain

The immunoglobulin heavy chain (IgH) is the large polypeptide subunit of an antibody (immunoglobulin).

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Immunoglobulin light chain

The immunoglobulin light chain is the small polypeptide subunit of an antibody (immunoglobulin).

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Immunohistochemistry

Immunohistochemistry (IHC) involves the process of selectively imaging antigens (proteins) in cells of a tissue section by exploiting the principle of antibodies binding specifically to antigens in biological tissues.

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Ligand (biochemistry)

In biochemistry and pharmacology, a ligand is a substance that forms a complex with a biomolecule to serve a biological purpose.

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Monoclonal antibody

Monoclonal antibodies (mAb or moAb) are antibodies that are made by identical immune cells that are all clones of a unique parent cell.

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N-terminus

The N-terminus (also known as the amino-terminus, NH2-terminus, N-terminal end or amine-terminus) is the start of a protein or polypeptide referring to the free amine group (-NH2) located at the end of a polypeptide.

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Peptide

Peptides (from Gr.: πεπτός, peptós "digested"; derived from πέσσειν, péssein "to digest") are short chains of amino acid monomers linked by peptide (amide) bonds.

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Pexelizumab

Pexelizumab is a drug designed to reduce side effects of coronary artery bypass grafting and angioplasty, among other types of cardiac surgery.

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Phage display

Phage display is a laboratory technique for the study of protein–protein, protein–peptide, and protein–DNA interactions that uses bacteriophages (viruses that infect bacteria) to connect proteins with the genetic information that encodes them.

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Protein A

Protein A is a 42 kDa surface protein originally found in the cell wall of the bacteria Staphylococcus aureus.

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Protein G

Protein G is an immunoglobulin-binding protein expressed in group C and G Streptococcal bacteria much like Protein A but with differing binding specificities.

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Protein L

Protein L was first isolated from the surface of bacterial species Peptostreptococcus magnus and was found to bind immunoglobulins through L chain interaction, from which the name was suggested.

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Serine

Serine (symbol Ser or S) is an ɑ-amino acid that is used in the biosynthesis of proteins.

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Subcloning

In molecular biology, subcloning is a technique used to move a particular DNA sequence from a parent vector to a destination vector.

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Threonine

Threonine (symbol Thr or T) is an amino acid that is used in the biosynthesis of proteins.

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Redirects here:

Bi-scFv, Di-scFv, Diabody, Fv Fragment, Fv fragment, Fv fragments, ScFv, Single Chain Variable Fragment, Single chain, Single chain Fv, Single chain variable fragment, Single-chain, Single-chain Fv, Tetrabody, Tri-scFv, Triabody, Tribody.

References

[1] https://en.wikipedia.org/wiki/Single-chain_variable_fragment

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